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Add #includes and explicitly identify the field name.

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This commit is contained in:
Nick Thompson 2021-01-19 08:13:35 -05:00
parent 1bad28a3ec
commit 61522fde7b
1 changed files with 6 additions and 3 deletions
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9
examples/logistic_map/LogisticMap.cxx
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@ -8,7 +8,9 @@
// PURPOSE. See the above copyright notice for more information.
//============================================================================
#include <cmath>
#include <iostream>
#include <vector>
#include <vtkm/cont/DataSetBuilderUniform.h>
#include <vtkm/io/ImageWriterPNG.h>
@ -38,7 +40,7 @@ int main()
vtkm::Vec4f v(1.0, 0.5, 0.0, 0.0);
std::vector<vtkm::Vec4f> pixelValues(width * height, vtkm::Vec4f(0, 0, 0, 0));
int iterates = 0;
size_t iterates = 0;
// We don't need more iterates than pixels of height,
// by the pigeonhole principle.
while (iterates++ < height)
@ -54,9 +56,10 @@ int main()
}
}
ds.AddPointField("pixels", pixelValues);
std::string colorFieldName = "pixels";
ds.AddPointField(colorFieldName, pixelValues);
std::string filename = "logistic.png";
vtkm::io::ImageWriterPNG writer(filename);
writer.WriteDataSet(ds);
writer.WriteDataSet(ds, colorFieldName);
std::cout << "Now open " << filename << "\n";
}